One-sided and plating coating design.
2. Built-in microphone, support answer / hang up calls & one to two connection.
3. Good music, clear talk sound.
4. Ideal for most smartphones (such as:For iPhone, For Samsung, For HTC, For Sony, For LG, For Nokia, Xiaomi, Huawei, Lenovo, For Motorola, Meizu, For BlackBerry etc.).
5. Exquisite craftsmanship and fashion appearance.